package client;

import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.InetSocketAddress;
import java.net.Socket;

public class Client<T> {
	public static <T> T get(final Class<?> serviceInterface, final InetSocketAddress addr) {
		T instance = (T) Proxy.newProxyInstance(serviceInterface.getClassLoader(), new Class<?>[] { serviceInterface },
				new InvocationHandler() {
					public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
						Socket socket = null;
						ObjectInputStream input = null;
						ObjectOutputStream output = null;
						try {
							socket = new Socket();
							socket.connect(addr);
							output = new ObjectOutputStream(socket.getOutputStream());
							output.writeUTF(serviceInterface.getName());
							output.writeUTF(method.getName());
							output.writeObject(method.getParameterTypes());
							output.writeObject(args);
							input = new ObjectInputStream(socket.getInputStream());
							return input.readObject();
						} finally {
							if (socket != null)
								socket.close();
							if (output != null)
								output.close();
							if (input != null)
								input.close();
						}
					}
				});
		return instance;
	}
}
